.head {
  height: 66px;
  border-bottom: 1px solid #fff;
  padding: 0px 30px;
  position: absolute;
  z-index: 10;
  width: 100%;
  color: white;
  box-sizing: border-box;
}
.head li {
  margin: 0 20px;
}
.head li a {
  color: white;
}
.head .nav {
  font-size: 14px;
}
.head .active {
  position: relative;
  font-size: 16px;
}
.head .active::after {
  content: '';
  display: block;
  width: 100%;
  height: 3px;
  background: #fff;
  position: absolute;
  top: 41px;
}
.head .btn {
  color: white;
  border-radius: 13px;
  text-align: center;
  font-size: 12px;
}
.head .loginBtn {
  width: 58px;
  height: 26px;
  border: 1px solid #aac6ef;
  line-height: 26px;
  margin-right: 10px;
  margin-bottom: 5px;
}
.head .loginBtn:hover {
  opacity: 0.5;
}
.head .regBtn {
  width: 78px;
  height: 26px;
  line-height: 26px;
  background-color: #ed510a;
  color: white;
}
.head .regBtn:hover {
  opacity: 0.5;
}
.footerTit li {
  width: 160px;
  font-size: 14px;
  color: #181818;
  line-height: 68px;
}
.footerCont li {
  width: 160px;
  font-size: 12px;
  line-height: 28px;
  color: #b3b3b3;
}
.footerRight {
  text-align: right;
}
.footerRight .wx {
  font-size: 16px;
  line-height: 28px;
  padding-top: 21px;
  color: #181818;
}
.footerRight .ym {
  font-size: 12px;
  line-height: 27px;
  margin-bottom: 24px;
  color: #c0c0c0;
}
.footerBot img {
  margin-right: 10px;
}
.footerBot p {
  font-size: 14px;
  line-height: 20px;
  color: #d1d1d1;
}
.footerBot .footText {
  font-size: 14px;
  line-height: 20px;
  color: #d1d1d1;
}
.toTobBtn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #000;
  cursor: pointer;
  background: url(../images/returntopicon.jpg) no-repeat;
  background-position: -163px -56px;
  position: fixed;
  left: 50%;
  margin-left: 630px;
  bottom: 20px;
}
.toTobBtn:hover {
  background-position: -163px -97px;
}
